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多选题
After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL> ALTER DATABASE OPEN； Which two statements are true（）
A
The online redo log files and online data files are opened.
B
All the online data file headers are checked for consistency.
C
Instance recovery is performed before opening the database.
D
The path and existence of all the log file members are checked
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更多 “多选题After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL ALTER DATABASE OPEN； Which two statements are true（）AThe online redo log files and online data files are opened.BAll the online data file headers are checked for consistency.CInstance recovery is performed before opening the database.DThe path and existence of all the log file members are checked” 相关考题
考题
You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, while all three production database instances are running, you execute the following command on the ASM instance :SQL shutdown immediate;What is the result of executing this command?（）A. The ASM instance is shut down, but the other instances are still running.B. It results in an error because other database instances are connected to it.C. All the instances, including the ASM instance, are shut down in the IMMEDIATE mode.D. HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode.
考题
You are managing an Oracle Database 11g instance.You want to create a duplicate database for testing purpose. What are the prerequisites for performing the active database duplication?()
A. The source database backup must be copied over the net for test database.B. The source database must be run in ARCHIVELOG mode if the database is open.C. The source database must be shut down cleanly if the database is in mounted state.D. A net service name should be set up and a listener configured with the target as well as the source database.
考题
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup. What would you do to recover the data file（）A、Take the USERS tablespace offline and re-create the lost data file.B、Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.C、Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.D、Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online
考题
You are working on the PROD database， which is in NOARCHIVELOG mode. You lost the active online redo log group due to a media failure. How should you recover your database？（）A、 Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， open the database with the RESETLOGS option after performing a cancel-based recovery.B、 Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， drop the lost redo log group and open the database with the RESETLOGS option after performing a cancel-based recovery.C、 Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， clear the lost redo log group and open the database with the RESETLOGS option after performing a cancel-based recovery.D、 Do nothing. You do not need to recover the database in this case； an instance recovery will be performed by the SMON process on startup.
考题
You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure， the instance has shut down before synchronizing all the database files. Which two statements are true？（）A、On startup， SMON coordinates instance recovery.B、On startup， CKPT coordinates instance recovery.C、On startup， use RMAN to perform instance recovery.D、Uncommitted changes will be rolled back after the database is opened.E、On startup， perform media recovery and then instance recovery.F、On startup， all the files will be synchronized and you get both committed and uncommitted data.
考题
Your archive-log destination directory runs out of space. What is the impact of this on the database？（） A、 None. The database will switch over to the stand-by archive-log destination directory.B、 A warning message will be written to the alert log of the database，but no adverse impacts to the database will be experienced.C、 The database will shut down，and will not restart until you correct the out-of-space situation.D、 The database will continue to try to write to the archive-log destination directory for one hour. After one hour，the database will shut down normally.E、 Once Oracle has cycled through all online redo logs，it will stop processing any DML or DDL until the out-of-space condition is corrected.
考题
You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（）A、The instance would hang.B、The instance needs to be shut down.C、The instance would be in the open state.D、The instance would abort in such cases.E、The instance would be in the open and invalid state.F、The instance would in the open state， but all the background processes will be restarted.
考题
Which of the following options is true about shutting down an Automatic Storage Management （ASM） instance？（） A、 If the SHUTDOWN IMMEDIATE command is issued to the ASM instance， the ASM instance immediately shuts down.B、 If the SHUTDOWN ABORT command is issued to the ASM instance， the ASM instance will shut down all the database instances and then shut down immediately.C、 If the SHUTDOWN NORMAL command is issued to the ASM instance， before shutting down， the ASM instance waits for the dependent database instances to shut down.D、 If the SHUTDOWN TRANSACTIONAL command is issued to the ASM instance， the ASM instance passes the same SHUTDOWN command to the dependent database instances， but does not wait for any active transactions to complete before it shuts down.
考题
You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database？（）A、The database would open normally.B、The database would not open， and it would stop at mount stage.C、The database would open after automatically performing instance recovery.D、The database would not open， and you have to perform database recovery to open it.
考题
After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL ALTER DATABASE OPEN； Which two statements are true（）A、The online redo log files and online data files are opened.B、All the online data file headers are checked for consistency.C、Instance recovery is performed before opening the database.D、The path and existence of all the log file members are checked
考题
After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL ALTER DATABASE OPEN； Which two statements are true（）A、The online redo log files and online data files are opened.B、All the online data file headers are checked for consistency.C、Instance recovery is performed before opening the database.D、The path and existence of all the log file members are checked
考题
Due to media failure you lost one of the data files belonging to the USERS tablespace， and the tablespace is not available to use. Which statement regarding the status of the database is true？（）A、The database remains open.B、The database gets dismounted.C、The database becomes read only.D、The database instance gets aborted.E、The database gets shut down automatically.F、The status of the database depends on the status of the USERS tablespace.
考题
You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）A、Execute the ALTER DATABASE ARCHIVELOG statement B、Select ARCHIVELOG option in the database control and restart the database to apply the changes. C、Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement. D、Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
考题
You work as a database administrator for Certkiller .com. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task？（）A、Shut down the instance， copy the control file to the third location and open the database.B、Abort the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.C、Copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile， restart the instance and open the database.D、Shut down the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.E、Shut down the instance， startup in the mount state， copy the control file to the third location， modify the CONTROL_FILES parameter ininit.oraand open the database.
考题
Which of the following shut down options should not be used before performing a consistent whole database backup？（）A、NORMALB、TRANSACTIONALC、ABORTD、IMMEDIATEE、INCONSISTENT
考题
单选题You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database？（）A
The database would open normally.B
The database would not open， and it would stop at mount stage.C
The database would open after automatically performing instance recovery.D
The database would not open， and you have to perform database recovery to open it.
考题
单选题Which statement is true about Enterprise Manager (EM) express in Oracle Database 12c?（）A
By default, EM express is available for a database after database creation.B
You can use EM express to manage multiple databases running on the same server.C
You can perform basic administrative tasks for pluggable databases by using the EM express interface.D
You cannot start up or shut down a database Instance by using EM express.E
You can create and configure pluggable databases by using EM express.
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file: ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
考题
多选题You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode. Which two statements are true in this scenario（）AYou must shut down the database instance to perform the backups.BYou must configure the Flash Recovery Area （FRA） for the database.CYou can perform complete database backups without closing the database.DAll the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.
考题
单选题You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, you execute the following command on the ASM instance to shut down: SQL shutdown immediate; What is the result of executing this command?（）A
All the instances, including the ASM instance, are shut down in the ABORT modeB
The ASM instance is shut down, but the other instances are still running C
The ASM instance is still functional, but the other instances are shut down D
All the instances, including the ASM instance, are shut down in the IMMEDIATE mode. E
HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode F
HRDB, FINDB, and ORGDB instances are shut down in the NORMAL mode and the ASM instance is shut down in the IMMEDIATE mode
考题
单选题You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（）A
The instance would hang.B
The instance needs to be shut down.C
The instance would be in the open state.D
The instance would abort in such cases.E
The instance would be in the open and invalid state.F
The instance would in the open state， but all the background processes will be restarted.
考题
单选题Which of the following shut down options should not be used before performing a consistent whole database backup？（）A
NORMALB
TRANSACTIONALC
ABORTD
IMMEDIATEE
INCONSISTENT
考题
多选题You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure， the instance has shut down before synchronizing all the database files. Which two statements are true？（）AOn startup， SMON coordinates instance recovery.BOn startup， CKPT coordinates instance recovery.COn startup， use RMAN to perform instance recovery.DUncommitted changes will be rolled back after the database is opened.EOn startup， perform media recovery and then instance recovery.FOn startup， all the files will be synchronized and you get both committed and uncommitted data.
考题
多选题You are managing an Oracle Database 11g instance.You want to create a duplicate database for testing purpose. What are the prerequisites for performing the active database duplication?（）AThe source database backup must be copied over the net for test database.BThe source database must be run in ARCHIVELOG mode if the database is open.CThe source database must be shut down cleanly if the database is in mounted state.DA net service name should be set up and a listener configured with the target as well as the source database.
考题
单选题Which of the following options is true about shutting down an Automatic Storage Management （ASM） instance？（）A
If the SHUTDOWN IMMEDIATE command is issued to the ASM instance， the ASM instance immediately shuts down.B
If the SHUTDOWN ABORT command is issued to the ASM instance， the ASM instance will shut down all the database instances and then shut down immediately.C
If the SHUTDOWN NORMAL command is issued to the ASM instance， before shutting down， the ASM instance waits for the dependent database instances to shut down.D
If the SHUTDOWN TRANSACTIONAL command is issued to the ASM instance， the ASM instance passes the same SHUTDOWN command to the dependent database instances， but does not wait for any active transactions to complete before it shuts down.
考题
多选题After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL ALTER DATABASE OPEN； Which two statements are true（）AThe online redo log files and online data files are opened.BAll the online data file headers are checked for consistency.CInstance recovery is performed before opening the database.DThe path and existence of all the log file members are checked
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
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